5555555554960 has 80 divisors (see below), whose sum is σ = 13192722968832. Its totient is φ = 2174737510400.

The previous prime is 5555555554949. The next prime is 5555555554961. The reversal of 5555555554960 is 694555555555.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5555555554892 and 5555555554901.

It is not an unprimeable number, because it can be changed into a prime (5555555554961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43857315 + ... + 43983805.

Almost surely, 2^{5555555554960} is an apocalyptic number.

It is an amenable number.

5555555554960 is an abundant number, since it is smaller than the sum of its proper divisors (7637167413872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5555555554960 is a wasteful number, since it uses less digits than its factorization.

5555555554960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138232 (or 138226 counting only the distinct ones).

The product of its (nonzero) digits is 421875000, while the sum is 64.

The spelling of 5555555554960 in words is "five trillion, five hundred fifty-five billion, five hundred fifty-five million, five hundred fifty-four thousand, nine hundred sixty".